@name yt {
  @b cascader {
    display: flex;
    flex-direction: column;
    height: 300px;
    @e title {
      position: relative;
      text-align: center;
      line-height: 42px;
      font-size: 14px;
      color: #333333;
    }

    @e btn {
      position: absolute;
      top: 50%;
      right: 10px;
      transform: translate3d(0, -50%, 0);
    }

    @e select {
      position: relative;
      font-size: 14px;
      color: #333333;
      white-space: nowrap;
      overflow-y: hidden;
      overflow-x: auto;
      border-top: 1px solid #f1f1f1;
      border-bottom: 1px solid #f1f1f1;
      &::-webkit-scrollbar {
        display: none;
      }
    }

    @e item {
      display: inline-block;
      padding: 13px 10px;
    }

    @e line {
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      height: 2px;
      border-radius: 2px;
      transition: all .3s ease;
      background-color: var(--fill_color);
    }

    @e row {
      padding: 10px;
      font-size: 14px;
      @when select {
        &::after {
          position: relative;
          top: -4px;
          display: inline-block;
          vertical-align: middle;
          margin-left: 15px;
          content: " ";
          width: 6px;
          height: 12px;
          border-style: solid;
          border-width: 0 2px 2px 0;
          border-color: var(--border_color);
          transform: rotate(45deg);
          transition: transform .2s;
        }
      }
    }

    @e panel {
      flex: 1;
      overflow: auto;
    }
  }
}
